In a box plot, it is easy to see the range of where 50% of your data lies. Let’s examine this a little further by describing the interquartile range. Quartiles can be defined as dividing your ...

In order to calculate this value we must first understand what the lower quartile, median and upper quartile are: the lower quartile is the median of the lower half of the data. The \(\frac{(n+1)}{ ...

is the middle number which divides the data into two halves. Similarly, the lower quartile \({Q_2}\) divides the bottom half of the data into two halves, and the upper quartile \({Q_3}\) ...